Welcome to Global Thefence Network System GTNS is a leading security firm that provides a full range of security solutions and services. We offer innovative products and solutions to meet our clients’ security needs. GTNS has a platform of critical services designed to enhance the security and safety of commercial and residential facilities - from design, to deployment, to training and beyond. Take advantage of our expertise to maximize your security investment by reducing costs and establishing a single point of accountability for all your security needs.  GNS also provides critical ongoing support to ensure that the availability and reliability of your security infrastructure is maintained for the long term. Our technicians are well trained and certified to ensure our customers receive the best possible installation and service. We are experienced at installing basic systems, as well as complex security alarms and life safety systems.  Contact Information Our Office Address 15, Akin Osiyemi Street, Off Allen Avenue Ikeja,Lagos Phone no -018962002, 07066160141